By comparison, the tallest building in the United States, the Willis tower in Chicago, stands at 1,451 feet, although counting its antenna towers it rises to 1,729 feet.
与之对比的是美国第一高楼——芝加哥的威利斯大厦，高1451英尺，如果加上屋顶天线的话总共高1729英尺。
The entire length of the tower is equipped with a feeder (a coaxial wave-guide) through which signals are transmitted from the transmitter to the antenna on the spire.
信号传输线(一个同轴波导管)贯穿整个塔身，通过它，信号从传输器运送到塔尖的天线。
In a mobile base-station the radio circuitry usually sits in a cabinet and is connected by a cable to an antenna on the tower overhead.
手机基站的无线电路通常在一个机柜里，由电缆连接到高架塔上的天线。
The tower is designed to put the antenna at a maximum height on the spire.
电视塔的天线设计在塔尖的最高处。
A mobile phone, souped-up with such an antenna, can talk to a network tower that is dozens of kilometres beyond its normal range (about 5km, or 3 miles).
一部手机，若以这种天线增强过，就可以同广播塔通话，比其正常距离(约五千米，或3英里)远几万米。
A community antenna was usually placed on a hill, a mountain or on a high tower.
一个社区天线通常被放置在一个小山，山上或高塔。
This Agreement does not include service of any transmission line, antenna, tower or tower lighting, unless such work is described on the first page of this Agreement.
如果合同首页没有说明，本合同将不包括馈线、天线、发射塔或发射塔照明装置等维修。
Besides, key construction technologies are introduced in detail, such as machinery selection, tower installation, measurement, welding and antenna mast installation.
详细阐述机械选型、塔楼安装、测量技术、焊接技术和天线桅杆安装的施工工艺和关键技术。
This paper gives a detailed introduction to the determination of the base price of the tower and the norm making of tower erection, tower foundation and the ground - based foundation of the antenna.
此文对铁塔基价的确定及铁塔架设、铁塔基础、天线地面基础的定额编制，进行了较为详细的介绍。
The feasibility of biconical MW antenna with self-supporting tower is discussed based on the structural analysis.
从结构分析上探讨自立塔双锥形中波天线的可行性。
While mid-wave antenna is mostly iron tower antenna, we do not use directional antenna except that we need special service in special area.
中波天线大部分采用铁塔天线，非特殊地形或特别要求的服务区外，均采用不定向天线。
The main tower is 454 meters high and the antenna mast adds another 156 meters.
它是中国第一高塔，塔高610米，其中主塔454米，天线桅杆156米。
The radio and television signal emission facilities, including antenna, feeder links, tower masts (poles), ground network, satellite transmitting antenna as well as the auxiliary equipments thereof;
广播电视信号发射设施，包括天线、馈线、塔桅（杆）、地网、卫星发射天线及其附属设备等；
The radio and television signal emission facilities, including antenna, feeder links, tower masts (poles), ground network, satellite transmitting antenna as well as the auxiliary equipments thereof;
广播电视信号发射设施，包括天线、馈线、塔桅（杆）、地网、卫星发射天线及其附属设备等；
应用推荐